Date:	Mon, 5 Oct 2015 00:25:55 +0000
From:	John Feng-Hsin Chiang(Ë°Üèýé) 
	<john453@...aday-tech.com>
To:	Felipe Balbi <balbi@...com>,
	Peter Senna Tschudin <peter.senna@...il.com>
CC:	Yuan-Hsin Chen <yuanlmm@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	"mathias.nyman@...ux.intel.com" <mathias.nyman@...ux.intel.com>,
	"ralf@...ux-mips.org" <ralf@...ux-mips.org>,
	"alexandre.belloni@...e-electrons.com" 
	<alexandre.belloni@...e-electrons.com>,
	"ramneek.mehresh@...escale.com" <ramneek.mehresh@...escale.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	"abrestic@...omium.org" <abrestic@...omium.org>,
	"sboyd@...eaurora.org" <sboyd@...eaurora.org>,
	"Rafa? Mi?ecki" <zajec5@...il.com>,
	"haokexin@...il.com" <haokexin@...il.com>,
	"pebolle@...cali.nl" <pebolle@...cali.nl>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Masanari Iida <standby24x7@...il.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	"chris@...vick.com" <chris@...vick.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: RE: [PATCH] usb-host: Remove fusbh200 driver

Hi Balbi,

>> John Feng-Hsin Chiang, can you confirm that from your side the
>> fusbh200 driver can be deleted?
>... but let's get this confirmation.

Yes, you can delete fusbh200.

Best Regards,
John Chiang

-----Original Message-----
From: Felipe Balbi [mailto:balbi@...com] 
Sent: Sunday, October 04, 2015 5:21 AM
To: Peter Senna Tschudin
Cc: John Feng-Hsin Chiang(Ë°Üèýé); Yuan-Hsin Chen; Greg Kroah-Hartman; Alan Stern; mathias.nyman@...ux.intel.com; ralf@...ux-mips.org; alexandre.belloni@...e-electrons.com; ramneek.mehresh@...escale.com; Laurent Pinchart; abrestic@...omium.org; sboyd@...eaurora.org; Rafa©© Mi©©ecki; haokexin@...il.com; pebolle@...cali.nl; Sergei Shtylyov; Masanari Iida; Randy Dunlap; chris@...vick.com; linux-kernel@...r.kernel.org; linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb-host: Remove fusbh200 driver

Peter Senna Tschudin <peter.senna@...il.com> writes:

> On Fri, Oct 2, 2015 at 7:39 PM, Felipe Balbi <balbi@...com> wrote:
>> On Fri, Oct 02, 2015 at 01:18:27PM +0200, Peter Senna Tschudin wrote:
>>> fusbh200 and fotg210 are very similar. The initial idea was to 
>>> consolidate both drivers but I'm afraid fusbh200 is not being used.
>>>
>>> This patch remove the fusbh200 source code, update Kconfig and two 
>>> Makefiles.
>>>
>>> Signed-off-by: Peter Senna Tschudin <peter.senna@...il.com>
>>
>> after all this work on these previous patches, you just remove fusbh200 ?
>>
>> that's a bit odd. Are you sure there are no users for this driver ? 
>> It has been in tree since 2013.
> I don't know about users, but I could not find devices using fusbh200.
> The closest I got was:
>
> http://www.ebay.fr/itm/Digital-Video-Langzeit-Recorder-H264-DVR-3G-4-K
> anal-/370525106495
>
> But it only says: Main Processor: Faraday. I don't know which usb host 
> controller it uses.
>
> The idea of deleting fusbh200 came from contacting the driver authors.
> I was asking where to find hw for testing, and I was told that the
> fusbh200 driver can be deleted. Also at least Fedora and Ubuntu build 
> modules for these host controllers by default. If fusbh200 and fotg210 
> are only available integrated into SOCs, maybe building the modules by 
> default for x86 is not a good idea. But if there are users I'll be 
> happy to continue the integration work, even better if I find hardware 
> for testing.

fair enough, if can be deleted it's fine...

> John Feng-Hsin Chiang, can you confirm that from your side the
> fusbh200 driver can be deleted?

... but let's get this confirmation.

> For the patches I sent, 10 of 14 are for fotg210 which I'll fix and resend.

cool, thanks

--
balbi

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